Finding the Fourth Proportional to 4,119,593,068.59, 6,179,389,602.84 and 1,211,547,916.59
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Solution
The fourth proportional to 4,119,593,068.59, 6,179,389,602.84 and 1,211,547,916.59 is: 1,817,321,874.87
Step by Step Solution
- Step 1: Write the proportion equation
4,119,593,068.59 : 6,179,389,602.84 = 1,211,547,916.59 : x - Step 2: Convert to fraction form
4,119,593,068.59/6,179,389,602.84 = 1,211,547,916.59/x - Step 3: Cross multiply
4,119,593,068.59x = 6,179,389,602.84 × 1,211,547,916.59 - Step 4: Simplify right side
4,119,593,068.59x = 7,486,626,599,118,708,736 - Step 5: Solve for x
x = 7,486,626,599,118,708,736/4,119,593,068.59 - Step 6: Final answer
x = 1,817,321,874.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.